77012-3
LaboratoryFetal Chromosome 18 trisomy [Presence] based on Plasma cell-free DNA by Sequencing
Definition
This term was created for, but is not limited in use to, Sequenom Laboratories' MaterniT21 PLUS trisomy 18 test, which analyzes circulating cell-free DNA extracted from maternal plasma for chromosome 18 aneuploidy using whole genome sequencing. MaterniT21 PLUS is indicated for use in pregnant women with increased risk for fetal chromosomal aneuploidy.
LOINC 6-Axis Classification
Component
Fetal chromosome 18 trisomy
Property
PrThr
Time Aspect
Pt
System
Plas.cfDNA
Scale Type
Ord
Method Type
Sequencing
Details
Class
MOLPATH.TRISOMY
Order/Observation
Observation
Short Name
Fet Chr 18 Ts Plas.cfDNA Ql
Display Name
Chr 18 trisomy Sequencing Ql (cfDNA)
Related Names
Frequently Asked Questions
What is LOINC code 77012-3?
LOINC code 77012-3 identifies "Fetal Chromosome 18 trisomy [Presence] based on Plasma cell-free DNA by Sequencing". This term was created for, but is not limited in use to, Sequenom Laboratories' MaterniT21 PLUS trisomy 18 test, which analyzes circulating cell-free DNA extracted from maternal plasma for chromosome 18 aneuploidy using whole genome sequencing. MaterniT21 PLUS is indicated for use in pregnant women with increased risk for fetal chromosomal aneuploidy.
What does 77012-3 measure?
This code measures Fetal chromosome 18 trisomy in Plas.cfDNA. It belongs to the MOLPATH.TRISOMY class in the LOINC classification.
What is LOINC?
LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.